Porsche 911 vs. BMW M8
iSeeCars' unbiased and data-driven comparison of the Porsche 911 and BMW M8 contrasts the two cars across a broad spectrum of vehicle specifications to determine which car is better. In addition to comparing pricing and specs, iSeeCars uses all the ratings, rankings, and insights from its comprehensive analyses of each vehicle model, including calculations of reliability, safety, depreciation, value retention, and the vehicle's projected lifetime recalls (based on analyzing over 25 billion data points). This in-depth evaluation is used to identify which vehicle represents a better overall choice for shoppers who are considering both the Porsche 911 and the BMW M8.
When comparing the Porsche 911's and the BMW M8's specifications and ratings, the Porsche 911 has the advantage in the areas of new vehicle base pricing and resale value. The BMW M8 has the advantage in the areas of typical lower range of pricing for one- to five-year-old used cars, interior volume and base engine power. Based on this comparison of the Porsche 911's and the BMW M8's specifications and ratings, the BMW M8 is a better car than the Porsche 911.
Pricing: A used 2024 Porsche 911 ranges from $174,755 to $319,803 while a used 2024 BMW M8 is priced between $129,998 to $155,057. For a new model, the Porsche 911's price is between $149,235 and $290,012, with the BMW M8 priced between $152,367 and $167,975.
Resale/Retained Value: Looking at the 5-year depreciation rate for both models, the Porsche 911 loses 28.2 percent of its value and the BMW M8 loses 49 percent of its value. This means the Porsche 911 retains 20.8 percentage points more of its value and has the advantage of higher resale value versus the BMW M8.
Engine Power and Fuel Efficiency Comparison: For engine performance, the Porsche 911’s base engine makes 379 horsepower, and the BMW M8 base engine makes 617 horsepower.
Passenger Space Comparison: While both models are sports cars, the BMW M8 has the advantage of offering more interior volume, reflected in more cargo space.
New Car Pricing
Asking Price:
$149,235 - $290,012
Starting MSRP:
$127,200
Category Avg Starting MSRP:
(Luxury Sports Cars)
$102,671
Category Starting MSRP Range:
(Luxury Sports Cars)
$46,440 - $273,000
New Car Pricing
Asking Price:
$152,367 - $167,975
Starting MSRP:
$148,800
Category Avg Starting MSRP:
(Luxury Sports Cars)
$102,671
Category Starting MSRP Range:
(Luxury Sports Cars)
$46,440 - $273,000
Used Car Pricing
Avg Used Car Price:
$250,237
Price Range:
$174,755 - $319,803
Category Avg Price:
(Luxury Sports Cars)
$126,819
Category Avg Price Range:
(Luxury Sports Cars)
$63,681 - $273,789
# Used Cars for Sale Nationally:
295
Avg Mileage of Used Cars for Sale:
3,408
# Good or Great Deals:
44
Used Car Pricing
Avg Used Car Price:
$140,161
Price Range:
$129,998 - $155,057
Category Avg Price:
(Luxury Sports Cars)
$126,819
Category Avg Price Range:
(Luxury Sports Cars)
$63,681 - $273,789
# Used Cars for Sale Nationally:
28
Avg Mileage of Used Cars for Sale:
8,681
# Good or Great Deals:
8
5-year Depreciation
Depreciation $:
$33,713
Depreciation %:
26.5%
Resale Value $:
$93,487
Typical Category Depreciation %:
(Luxury Sports Cars)
30.2%
Category Depreciation Range:
(Luxury Sports Cars)
8.9% - 50.9%
5-year Depreciation
Depreciation $:
Depreciation %:
Resale Value $:
Typical Category Depreciation %:
(Luxury Sports Cars)
30.2%
Category Depreciation Range:
(Luxury Sports Cars)
8.9% - 50.9%
Porsche 911 Scores & Rankings
Overall Score:
8.6 / 10
Reliability:
8.5 / 10
Retained Value:
8.8 / 10
Safety:
Not available
BMW M8 Scores & Rankings
Overall Score:
Not available
Reliability:
Not available
Retained Value:
7.4 / 10
Safety:
Not available
iSeeCars Reliability Insights for Porsche 911
Avg Life Expectancy (years):
Typical Category Life Expectancy:
(Luxury Sports Cars)
12.9
Category Life Expectancy Range:
(Luxury Sports Cars)
10.1 - 17.2
Chance of Reaching 200k Miles for a New Car:
iSeeCars Reliability Insights for BMW M8
Avg Life Expectancy (years):
Typical Category Life Expectancy:
(Luxury Sports Cars)
12.9
Category Life Expectancy Range:
(Luxury Sports Cars)
10.1 - 17.2
Chance of Reaching 200k Miles for a New Car:
Expected 30-year Lifetime Recalls
Expected Lifetime Recalls:
13.3
Typical Category Recalls:
(Luxury Sports Cars)
2.9
Category Range for Recalls:
(Luxury Sports Cars)
0.8 - 13.4
Expected 30-year Lifetime Recalls
Expected Lifetime Recalls:
5.9
Typical Category Recalls:
(Luxury Sports Cars)
2.9
Category Range for Recalls:
(Luxury Sports Cars)
0.8 - 13.4
Porsche 911 Rankings
Ranking
1 out of / 27Ranking
1 out of / 27Ranking
1 out of / 27Ranking
2 out of / 41Ranking
2 out of / 41Ranking
2 out of / 27Ranking
3 out of / 41Ranking
5 out of / 41Ranking
15 out of / 19Ranking
17 out of / 27Ranking
24 out of / 32Ranking
32 out of / 41BMW M8 Rankings
Ranking
3 out of / 27Ranking
5 out of / 27Ranking
5 out of / 27Ranking
7 out of / 41Ranking
8 out of / 41Ranking
8 out of / 27Ranking
9 out of / 41Ranking
10 out of / 41Ranking
16 out of / 19Ranking
22 out of / 27Ranking
27 out of / 32Ranking
37 out of / 41Available Body Styles
Convertible, Coupe
Available Body Styles
Convertible, Coupe, Sedan
Available Drivetrain Options
Gasoline
Available Drivetrain Options
Gasoline
Porsche 911 Trim Levels
Carrera, Carrera 4, Carrera 4 GTS, Carrera 4S, Carrera GTS, Carrera S, Targa 4, Targa 4 GTS, Targa 4S, Turbo, Turbo S, Carrera T, Dakar, GT3, GT3 RS, GT3 Touring
BMW M8 Trim Levels
Competition
Warranty Information
Warranty, Bumper-to-Bumper:
4 years / 50000 miles
Warranty, Powertrain:
4 years / 50000 miles
Warranty, Roadside Assistance:
4 years / 50000 miles
Warranty Information
Warranty, Bumper-to-Bumper:
4 years / 50000 miles
Warranty, Powertrain:
4 years / 50000 miles
Warranty, Roadside Assistance:
4 years
Safety Ratings
NHTSA Safety Rating (last 5 year average):
Not yet available
2025 NHTSA Overall Rating:
Not yet available
2025 NHTSA Front Crash Overall Rating:
Not yet available
2025 NHTSA Side Crash Overall Rating:
Not yet available
2025 NHTSA Rollover Rating:
Not yet available
IIHS Safety Rating:
Not yet available
Safety Ratings
NHTSA Safety Rating (last 5 year average):
Not yet available
2025 NHTSA Overall Rating:
Not yet available
2025 NHTSA Front Crash Overall Rating:
Not yet available
2025 NHTSA Side Crash Overall Rating:
Not yet available
2025 NHTSA Rollover Rating:
Not yet available
IIHS Safety Rating:
Not yet available
Base Drivetrain Specs
Horsepower:
379 hp @ 6500 rpm
Torque:
331 foot-lbs @ 1950 rpm
Power-to-Weight Ratio (higher is better):
0.108 hp per pound
Base Drivetrain Specs
Horsepower:
617 hp @ 6000 rpm
Torque:
553 foot-lbs @ 1800 rpm
Power-to-Weight Ratio (higher is better):
0.135 hp per pound
Engine Specifications
Engine Size:
3 liters
Engine Configuration:
Flat/Horizontally Opposed
Number of Cylinders:
6
Transmission:
Automatic
Standard/Optional Drivetrain Type:
RWD / AWD
EPA Fuel Economy
(City/Highway/Combined MPG):
Not yet available
Range (city/hwy):
Not yet available
Recommended Fuel Type:
Not yet available
Engine Specifications
Engine Size:
4.4 liters
Engine Configuration:
V
Number of Cylinders:
8
Transmission:
Automatic
Standard/Optional Drivetrain Type:
AWD
EPA Fuel Economy
(City/Highway/Combined MPG):
15 / 22 / 17
Range (city/hwy):
302 / 442 miles
Recommended Fuel Type:
Premium Unleaded
Standard/Optional Features
Alloy wheels:
Standard
Android Auto:
Standard
Apple CarPlay:
Standard
Bench Seats:
Standard
Bluetooth:
Standard
Heated Seats
Standard
Internet Radio:
Standard
Keyless Entry:
Standard
Keyless Ignition:
Standard
Leather Upholstery:
Standard
Navigation System:
Standard
Paddle Shifters:
Standard
Parking Sensors:
Standard
Power Lift Gate:
Standard
Power outlet:
Standard
Roadside assistance:
Standard
Satellite radio:
Standard
Voice Recognition:
Standard
Wifi:
Standard
Adaptive Cruise Control:
Available
Cooled/Ventilated Seats:
Available
Heated Steering Wheel:
Available
Air Suspension:
N/A
Automatic Parking:
N/A
Captain's seat:
N/A
Front Bench Seats:
N/A
Massage Seats:
N/A
Panoramic Sunroof/Moonroof
N/A
Quad Seats:
N/A
Roof Rack:
N/A
Sunroof/Moonroof:
N/A
Trailer Hitch:
N/A
Wireless Smartphone Charging:
N/A
Standard/Optional Features
Alloy wheels:
Standard
Android Auto:
Standard
Apple CarPlay:
Standard
Bench Seats:
Standard
Bluetooth:
Standard
Heated Seats
Standard
Internet Radio:
Standard
Keyless Entry:
Standard
Keyless Ignition:
Standard
Leather Upholstery:
Standard
Navigation System:
Standard
Paddle Shifters:
Standard
Parking Sensors:
Available
Power Lift Gate:
Standard
Power outlet:
Standard
Roadside assistance:
Standard
Satellite radio:
Standard
Voice Recognition:
Standard
Wifi:
Standard
Adaptive Cruise Control:
Available
Cooled/Ventilated Seats:
Standard
Heated Steering Wheel:
Standard
Air Suspension:
N/A
Automatic Parking:
Available
Captain's seat:
N/A
Front Bench Seats:
N/A
Massage Seats:
N/A
Panoramic Sunroof/Moonroof
N/A
Quad Seats:
N/A
Roof Rack:
N/A
Sunroof/Moonroof:
N/A
Trailer Hitch:
N/A
Wireless Smartphone Charging:
Standard
Safety Features
Backup camera:
Standard
Forward Collision Warning:
Standard
Pedestrian Detection:
Standard
360-Degree Camera:
N/A
Blind Spot Monitoring:
N/A
Driver Attention Monitoring:
N/A
Lane Departure Warning:
N/A
Lane Keeping Assist:
N/A
Rear Cross-Traffic Alert:
N/A
Rear Seat Reminder:
N/A
Safety Features
Backup camera:
Standard
Forward Collision Warning:
Standard
Pedestrian Detection:
Standard
360-Degree Camera:
N/A
Blind Spot Monitoring:
N/A
Driver Attention Monitoring:
Standard
Lane Departure Warning:
Standard
Lane Keeping Assist:
N/A
Rear Cross-Traffic Alert:
N/A
Rear Seat Reminder:
N/A
Interior Dimensions
Front Head Room:
Not yet available
Front Leg Room:
Not yet available
Front Shoulder Room:
Not yet available
Rear Head Room:
Not yet available
Rear Leg Room:
Not yet available
Rear Shoulder Room:
Not yet available
Cargo Space:
4.6 cubic feet
Overall Interior Volume:
68.0 cubic feet
Interior Dimensions
Front Head Room:
38.9 inches
Front Leg Room:
42.1 inches
Front Shoulder Room:
57.2 inches
Rear Head Room:
34.7 inches
Rear Leg Room:
29.5 inches
Rear Shoulder Room:
45.7 inches
Cargo Space:
12.4 cubic feet
Overall Interior Volume:
81.0 cubic feet
Exterior Dimensions
Curb Weight:
3508 lbs
Width:
79.7 inches
Height:
51.1 inches
Length:
177.9 inches
Wheelbase:
96.5 inches
Ground Clearance:
4.6 inches
Exterior Dimensions
Curb Weight:
4560 lbs
Width:
84.1 inches
Height:
53.3 inches
Length:
191.8 inches
Wheelbase:
111.3 inches
Ground Clearance:
4.8 inches
Standard Wheel/Tire Information
Wheel Size:
19.0 x 8.5 inches
Wheel Type:
aluminum alloy
Tire Size:
235/40ZR19
Standard Wheel/Tire Information
Wheel Size:
20.0 x 9.5 inches
Wheel Type:
painted aluminum alloy
Tire Size:
275/35R20
Exterior Colors
Black
Black / Jet Black Metallic
Blue
Gentian Blue Metallic / Shark Blue
Gray
Agate Grey Metallic / Arctic Grey / Chalk / Ice Grey Metallic
Green
Aventurine Green Metallic
Red
Carmine Red / Guards Red / Ruby Star Neo
Silver
GT Silver Metallic
White
White
Yellow
Racing Yellow
Exterior Colors
Black
Black Sapphire Metallic
Blue
Frozen Tanzanite Blue Metallic / Marina Bay Blue Metallic / Tanzanite Blue II Metallic
Gray
Brooklyn Grey Metallic / Dravit Grey Metallic / Frozen Pure Grey Metallic / Skyscraper Grey Metallic
Green
Isle of Man Green Metallic
Red
Aventurin Red Metallic
Silver
Not available
White
Alpine White
Yellow
Not available
Interior Colors
Beige
Black/Atacama Beige
Black
Black / Black w/ Chalk Stitching / Black/Bordeaux Red / Black/Choice of Color / Black/Mojave Beige / Classic Black / Classic Black/Cognac
Blue
Graphite Blue / Graphite Blue w/ Chalk Stitching / Graphite Blue/Choice of Color
Brown
Truffle Brown / Truffle Brown w/ Chalk Stitching
Gray
Slate Gray/Chalk / Slate Grey / Slate Grey w/ Chalk Stitching / Slate Grey/Choice of Color
Red
Bordeaux Red / Bordeaux Red w/ Chalk Stitching / Bordeaux Red/Choice of Color
Orange
Not available
White
Not available
Interior Colors
Beige
Midrand Beige
Black
Black / Black/Midrand Beige / Black/Sakhir Orange
Blue
Not available
Brown
Taruma Brown
Gray
Silverstone
Red
Not available
Orange
Sakhir Orange/Black
White
Ivory White/Night Blue / Ivory White/Tartufo
